46. SALMONID.E - ARGENTINA. 205 



in length of body; ventrals not reaching vent, their length S in body. 

 Head 4.1; depth 4;-. D. 10; A. 15; P. 14; V. 8; Lat. 1. 70. L. 12 

 inches. Pacific coast, from California northward; abundant, spawning 

 in the surf. A very firm-fleshed and fat little fish, scarcely inferior to 

 the eulachou. 



pretlosa Grd. Proc. Acacl. Nat. Sci. Phila. 1854, 155: Osmenis pretiosus 

 Giranl, U. S. Pac. -E. E. Surv. Fisli. 324: Osments elongatus Ayres, Proc. Ac ad. Nat. 

 Sci. Phila. 1854, 17.) 



43. H. oQedus (Pallas) Giiuther. 



Darker. Fins higher, the longest dorsal ray 6 in length of body; 

 pectorals reaching two-thirds the distance to root of ventrals, their 

 length 5 in body ; ventrals G in length of body. Lat. 1. 56-60. Alaska 

 and Kamtschatka, spawning in fresh-water ponds. (Bean, MSS.) 



(Salmo (Osmtrus) oUdits Pallas, Zoogr. Ross. As. iii, 391; Giinther, vi, 169, in part.) 



144. ARGENTINA Liumeus. 

 Argentines. 



(Artedi; Linuseus, Syst. Nat. : type Argentina sphyr&na L.) 



Body oblong, covered with rather large cycloid scales, which are 

 often rough with spinous points. Mouth small, the maxillaries very 

 short, not reaching to the eye. Eye very large. Jaws toothless; an. 

 arched series of minute teeth on the head of the vomer and on the fore 

 part of the palatine; tongue typically, with a series of small curved 

 teeth on each side. Dorsal fin short, in advance of the ventrals. Cau- 

 dal fin deeply forked. Eggs small. Fishes of the deep waters of the 

 North Atlantic and Mediterranean, never entering fresh waters. (Latin 

 argentum, silver.) 



* Scales more or less rough. (Sllus Reiiihardt.*) 

 44. A. syB'tesisiaiEEl Goode &. Bean. 



Body compressed. Head not quite twice as long as deep. Snout 

 nearly 3 in head. Insertion of dorsal midway between snout and adi- 

 pose fin; veutrals under last ray of dorsal. Scales very large, cycloid, 

 covered with minute asperities; a median row of scales along the back 

 and the beliy. Color olivaceous ; sides silvery. Head 4; depth 5J. 

 B. 6; D. 12; A. 13; V. 14; scales 3-60-4. L. 17 inches. Sable Island 

 Bank, in deep water. 



(Goode & Bean, Proc. U. S. Nat. Mus. 1878, 2G1.) 



* Reiiihardt, Bemiirkn. til den Skaud. Ichtliyol.il: type Salmo sUtis Ascanius. 

 (From the Norwegian name Tas-Sil, said to mean rough herring.) 



